Flashcards in 21 Found Papers Deck (28):

1

## You are flowing water onto a roof, you are using a master stream with a 11/2” tip. You flow water onto the flat roof for 12 minutes. How much weight in tons is on the roof?

###
11/2” tip – 600 gallons per min.

600 x 8.33 = 4998 lbs.

4998 x 12 = 59,976

59976 divided by 2000 = 29.988 tons

2

## 13/8” ground monitor with 400’ of 4” supply – what is the ep – convert to tons

###
nozzle = 80

appliance = 15

fl in 4” = 4.375 per 100’

4.375 x 4 = 17.5

ep = 112.5

3

## Finding height where pressure is known.

### Height = 2.3 X pounds pressure

4

## NR for monitor with 13/8” tip with 4”

###
1.5 x 1.375 squared x 80

1.5 x 1.89 x 80

226.8

5

## 15/8” tip from deck gun on 2nd floor for 12 min – how many tons of water?

### 700gpm x12 min = 8400 gallons x 8.33 = 69,972 = 34.9 tons

6

## 10 x 20 x 8 tank – how many times can you fill big foot? 1600 cubic feet x 7.5 = 12000 gallons divided by 500

###
volume of a rectangle is LxWxH = cubic feet – 10x20x8 = 1600 cubic feet

gallons of water in a cubic foot = 7.5

1600 x 7.5 = 12,000 gallons divided by your 500 gallon tank = 24 times

7

## Compound gauges measure what –

### positive and vacuum pressures

8

## Hydrant colors and gpm’s –

###
Class AA – light blue - 1500gpm or greater

Class A- green - 1000-1499 gpm

Class B - orange - 500 – 999 gpm

Class C - red - less than 500 gpm

9

## While drafting, don’t let pressure drop below

### 50

10

## 3 things for relay pumping

### quantity of water required, distance between water source and fire, size of the carrier, maximum distance that a pumper can deliver required quantities of water, max engine pressures, number of pumpers required for overcoming friction loss, topography

11

## service pumping test

### requires only 40 minutes of operation

12

## certification test

### 3 hours

13

##
Max speed for slow moving vehicle – 25mph

Dmv handbook - you may not pass another vehicle which is moving slower than ____mph on a grade unless you can pass that vehicle at least _____mph faster than it is traveling and complete the pass in less than a _____mile

### 20mph, 10pmph, quarter mile

14

##
How do you send a message to dispatch on the MDC

###
Sending messages

Type in the following

To Units: TO ME222, message. The comma is the text separator for the message command

To dispatch: TO FDIS, message.

15

###
11/2” tip – 600 gallons per min.

600 x 8.33 = 4998 lbs.

4998 x 12 = 59,976

59976 divided by 2000 = 29.988 tons

16

## 13/8” ground monitor with 400’ of 4” supply – what is the ep – convert to tons

###
nozzle = 80

appliance = 15

fl in 4” = 4.375 per 100’

4.375 x 4 = 17.5

ep = 112.5

17

## Finding height where pressure is known.

### Height = 2.3 X pounds pressure

18

## NR for monitor with 13/8” tip with 4”

###
1.5 x 1.375 squared x 80

1.5 x 1.89 x 80

226.8

19

## 15/8” tip from deck gun on 2nd floor for 12 min – how many tons of water?

### 700gpm x12 min = 8400 gallons x 8.33 = 69,972 = 34.9 tons

20

###
volume of a rectangle is LxWxH = cubic feet – 10x20x8 = 1600 cubic feet

gallons of water in a cubic foot = 7.5

1600 x 7.5 = 12,000 gallons divided by your 500 gallon tank = 24 times

21

## Compound gauges measure what –

### positive and vacuum pressures

22

## Hydrant colors and gpm’s –

###
Class AA – light blue - 1500gpm or greater

Class A- green - 1000-1499 gpm

Class B - orange - 500 – 999 gpm

Class C - red - less than 500 gpm

23

## While drafting, don’t let pressure drop below

### 50

24

## 3 things for relay pumping

25

## service pumping test

### requires only 40 minutes of operation

26

## certification test

### 3 hours

27

##
Max speed for slow moving vehicle – 25mph

Dmv handbook - you may not pass another vehicle which is moving slower than ____mph on a grade unless you can pass that vehicle at least _____mph faster than it is traveling and complete the pass in less than a _____mile

### 20mph, 10pmph, quarter mile

28